CVE-2018-12366
6.5
MEDIUM
CVSS 3.1
EPSS 1.0%
Description
An invalid grid size during QCMS (color profile) transformations can result in the out-of-bounds read interpreted as a float value. This could leak private data into the output. This vulnerability affects Thunderbird < 60, Thunderbird < 52.9, Firefox ESR < 60.1, Firefox ESR < 52.9, and Firefox < 61.
How to fix CVE-2018-12366
To remediate CVE-2018-12366, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 52.9.0esr-1 or later
- —upgrade to 1:52.9.0-1 or later
Is CVE-2018-12366 being exploited?
Low — EPSS is 1.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 52.9.0esr-1
- from 0, < 1:52.9.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |